# Celeris-1 Decision vs Microsoft-Decision-1 (slim)

> Celeris-1 Decision scores 49.3 (D) to Microsoft-Decision-1's 39 (E) for decision models. Celeris-1 Decision is cheaper for decision models, $0 against $0 per 1M tokens. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/celeris-1-decision-vs-microsoft-decision-1.md (~2,800 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/celeris-1-decision-vs-microsoft-decision-1.json · canonical https://www.anchorterminal.com/compare/celeris-1-decision-vs-microsoft-decision-1
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-10

Celeris-1 Decision scores 49.3 (D) on agent readiness against Microsoft-Decision-1's 39 (E), and leads in 4 of 7 scored categories. Microsoft-Decision-1 leads on security & auth. Both do decision models. Celeris-1 Decision is cheaper for decision models, $0 against $0 per 1M tokens.

- Celeris-1 Decision: D 49.3, rank #798 of 954 · https://www.anchorterminal.com/tools/celeris-1-decision.min.md
- Microsoft-Decision-1: E 39, rank #921 of 954 · https://www.anchorterminal.com/tools/microsoft-decision-1.min.md
- Celeris-1 Decision, good for Multimodal classification, routing and bounded decisions with probabilities and optional explanations Ahead on Reliability, 40 against 30; Schema & documentation, 60 against 43; Agent ergonomics, 80 against 50; Transparency & trust, 53 against 32. Also Cheaper for decision models, $0 against $0 per 1M tokens; A hosted endpoint, with nothing to install.
- Microsoft-Decision-1, good for Routing, classification, prioritisation and rubric checks over text, where a fixed set of options and a low price per token matter more than generated text. Ahead on Security & auth, 52 against 45. Also Cheaper for decision models, $0 against $0 per 1M tokens.

| Category | Celeris-1 Decision | Microsoft-Decision-1 |
| --- | --- | --- |
| Reliability (16%) | 40 | 30 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 60 | 43 |
| Agent ergonomics (13%) | 80 | 50 |
| Security & auth (14%) | 45 | 52 |
| Payments & pricing (10%) | 20 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 40 | 40 |
| Transparency & trust (7%) | 53 | 32 |

| Fact (where they differ) | Celeris-1 Decision | Microsoft-Decision-1 |
| --- | --- | --- |
| Vendor | Celeris (Marqo Inc) | Microsoft |
| Hosted endpoint | `https://inference.celeris.ai/celeris-1-decision/v1/systemone` | no (local only) |
| Auth | API key | OAuth or key |
| Licence | Proprietary hosted model under Celeris terms of service | Not stated. The announcement and OpenRouter's model page name no licence, and no weights repository was found. |
| llms.txt | yes | no |
| Last release | 2026-10-08 | 2026-10-09 |
| Terms last updated | 2026-09-08 | no document linked |
| Privacy policy last updated | 2026-07-23 |  |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |